Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
09/2003
09/12/2003WO2003075019A1 Ac signal level detection circuit
09/11/2003US20030171884 Arrangements to detect and respond to disturbances in electrical power systems
09/11/2003US20030169078 Charge/discharge current detection circuit and variable resistor
09/11/2003US20030169048 System for measuring battery current for electric vehicle
09/11/2003US20030169021 Secondary battery protection device
09/11/2003US20030169020 Battery charge monitor
09/11/2003DE20310361U1 Power distribution network short circuit detector system counts faults with differential reset times
09/10/2003EP1343086A2 Abnormality Detection Apparatus of Comparator
09/10/2003EP1343018A1 Battery charge monitor
09/10/2003CN2572412Y Safety electricity use tester
09/10/2003CN1441907A Fiber-optic current sensor
09/10/2003CN1441255A Method and device for radio frequency metering
09/09/2003US6618711 Programmable supervisory circuit and applications thereof
09/09/2003US6618228 Current detecting apparatus and electric motor control apparatus
09/09/2003US6617890 Measuring power supply stability
09/09/2003US6617858 Method and circuit for measuring a current
09/09/2003US6617838 Current measurement circuit
09/04/2003DE10223977C1 Current measuring circuit for controlling multi-phase electric motor uses 2 measuring transducers with offset inputs coupled to combining stage providing overall output
09/03/2003EP1340092A2 Current sensors
09/03/2003CN1439875A Current detecting circuit for A/F sensors
09/02/2003US6615146 Failure detection of an isolation device with PFA signal generation in a redundant power supply system
08/2003
08/28/2003WO2003071291A1 Method and circuit arrangement for determining the average current consumption of a battery-operated apparatus
08/28/2003WO2002031517A3 System and method for current sensing
08/28/2003US20030163265 DSP assisted peak capture circuit and method
08/28/2003US20030161465 Zero crossing detection circuit
08/28/2003US20030160696 Peak-to-peak signal detector
08/28/2003US20030160567 Method and apparatus for radio frequency (rf) metrology
08/27/2003EP1339086A2 Method and apparatus for radio frequency (RF) metrology
08/27/2003EP1338122A2 Intelligent appliance home network
08/27/2003EP1338090A1 A current-sensing switching circuit
08/27/2003EP1337910A2 Streaming architecture for waveform processing
08/27/2003EP1337909A2 Processing web editor for data processing in a digital oscilloscope or similar instrument
08/27/2003CN1438533A Electronic apparatus and camera
08/26/2003US6611337 Interferometer coupler using multiple input ports for improved stability
08/26/2003US6611163 Switched capacitor scheme for offset compensated comparators
08/26/2003US6611136 Device for determining the primary current of a current transformer comprising saturation correction means
08/21/2003US20030159102 Method for testing a universal serial bus host controller
08/21/2003US20030155931 Current detection circuit for A/F sensor
08/21/2003US20030155930 Current measuring circuit suited for batteries
08/21/2003US20030155905 Device, amperemeter and motor vehicle
08/21/2003DE10203683C1 Electrical signal measuring parameter extraction method with sampling rate for providing sampled signal values matched to momentary signal frequency
08/20/2003EP1336854A1 Hand tool with contactless voltage tester as warning device
08/20/2003EP1336853A1 Device that indicates failures in an electric circuit
08/20/2003EP1336133A1 Control variables
08/20/2003EP1336110A2 Oscilloscope panel capture and implementation
08/20/2003EP1254376B1 Method for detecting the current density distribution in a fuel cell stack
08/20/2003EP1153379A4 Modular power quality monitoring device
08/20/2003CN2567584Y Device for indicating normal or not of charging voltage of magnetor and sensing trigger voltage
08/19/2003US6608529 Frequency synthesis apparatus, systems, and methods
08/19/2003US6608502 Compact transmitter detection circuit with a wide dynamic range
08/19/2003US6608446 Method and apparatus for radio frequency (RF) metrology
08/14/2003WO2003067269A2 Peak-to-peak signal detector
08/14/2003WO2003025598A3 Intergrated circuit having a voltage sensor
08/14/2003US20030154230 Electronic device and camera
08/14/2003US20030151423 Rush current limiting circuit for a PFM control charge pump
08/14/2003US20030151413 Diagnostic wiring verification tester
08/14/2003US20030151308 Systems and methods for indicating events in a power distribution system
08/13/2003EP1335474A2 Device for protection of electric and electronic components of a vehicle from overvoltages
08/13/2003CN2566276Y Passive digital power supply voltmeter
08/13/2003CN1435694A Current measuring method and arrangement
08/13/2003CN1118130C Multi-phase AC zero-cross rectifier and power supply phase loss monitor and power supply voice prompter
08/13/2003CN1118006C Voltage Measuring circuit
08/12/2003US6605978 Method of forming a voltage detection device and structure therefor
08/12/2003US6605965 Differential window comparator
08/12/2003US6605964 Comparator circuit
08/12/2003US6605929 Power supply noise sensor
08/12/2003US6604423 Pressure sensor, pressure sensor control apparatus, and pressure sensor system
08/08/2003CA2417695A1 Diagnostic wiring verification tester
08/07/2003WO2003065060A1 Dsp assisted peak capture circuit and method
08/07/2003WO2003065059A1 Measured value output device, measured value monitor, current value output device, and current monitor
08/07/2003WO2003065058A1 Circuit arrangement, redox recycling sensor, sensor assembly and a method for processing a current signal provided by a sensor electrode
08/07/2003WO2003065057A1 Signal processing circuit for an optical sensor
08/07/2003US20030146756 Method and device for detecting a current
08/07/2003US20030146744 Device, ammeter and motor vehicle
08/07/2003CA2473580A1 Dsp assisted peak capture circuit and method
08/06/2003EP1333570A2 Method and circuit arrangement for current measuring and limitation
08/06/2003EP1333292A1 Displaying a number of measurement curves
08/06/2003EP1333291A1 Method and device for detecting a current
08/06/2003EP1332377A1 Electronic device
08/06/2003CN1434299A Photo signal digital collection module for electric power optical potential sensor
08/05/2003US6604055 System and method for AC line voltage analysis
08/05/2003US6603301 Multiple range current measurement system with low power dissipation, fast setting time, and low common mode voltage error
08/05/2003CA2344425C System and method for frequency compensation in an energy meter
07/2003
07/31/2003US20030141874 Circuit configuration and method for measuring and limiting currents
07/31/2003US20030141873 Driver circuit
07/30/2003CN2563583Y High voltage current and voltage sensor
07/30/2003CN1433518A RMS-DC converter having gain stages with variable weighting coefficients
07/30/2003CN1433115A Physical amount monitoring method and circuit configuration
07/29/2003US6601002 Arrangements to detect and respond to disturbances in electrical power systems
07/29/2003US6600426 Alarm system for detecting hazards due to power transmission lines
07/29/2003US6600425 Method and apparatus for detecting and recording episodic overloads in a circuit
07/24/2003US20030137319 Circuit for detecting leak from power supply
07/24/2003US20030137289 Comparator circuit for differential swing comparison and common-mode voltage comparison
07/23/2003EP1330005A1 Method and circuit for controlling physical quantities, especially for telecommunication equipments
07/23/2003EP1329938A2 Ion irradiation system
07/23/2003EP1329731A2 Driver circuit
07/23/2003CN1431748A Lightning protection of electric installation and detection device of lightning strikes
07/22/2003US6598003 Power and environmental condition monitoring system and method
07/22/2003US6597230 Electronic device
07/22/2003US6597228 Diode-rectifier with non-linear load resistance
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